Mathematica
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xiaohuamao
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There are some bugs in Eigen... functions of MMA, and unfixed till now...

Eigenvalues broken in Version 12.0

Complex eigenvalues from a sparse Hermitian matrix

Wrong eigenvalues from a sparse matrix

Tired of questions not showing mathematical formulae explicitly?

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All Questions Answers
Score Newest
question
45
Eigenvalues broken in Version 12.0
May 18, 2019
question
40
Complex eigenvalues from a sparse Hermitian matrix
Nov 18, 2018
question
27
Wrong eigenvalues from a sparse matrix
Mar 30, 2018
question
13
How to evaluate $ \int_0^1{\mathrm e^{\mathrm i\pi x}x^x(1-x)^{1-x}\mathrm dx} $ and get $ \frac{\mathrm i\pi \mathrm e}{2\cdot3\cdot4} $?
Aug 28, 2019
question
13
Why is this 2D plot so slow?
Feb 11, 2016
question
13
Integrate gives wrong result for simple function
Nov 20, 2017
question
13
An ODE system easily polluted with spurious eigenvalues
Apr 13, 2018
question
10
Deep learning outperforms in symbolic integration and ODE?
Dec 18, 2019
question
10
VectorColorFunction not working at a few points
Jul 8, 2022
question
9
New things and limitations in Version 12 numerical differential equation solver?
Apr 20, 2019
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Tired of questions not showing mathematical formulae explicitly?
Top network posts
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51
Can Lee-Yang zeros theorem account for triple point phase transition?
19
Does magnetic monopole violate $U(1)$ gauge symmetry?
19
How is Meissner effect explained by BCS theory?
15
Why do spin-$\frac{1}{2}$ nuclei have zero electric quadrupole moment?
13
Is Elitzur's theorem valid only in lattice field theory?

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